FIRST EDITION IN ORIGINAL WRAPPERS of Carl Anderson's announcement of the discovery of the positron, the first antiparticle. More about The Positive Electron

FIRST EDITION of the landmark paper marking the birth of recombinant DNA technology. Paul Berg was awarded half of the 1980 Nobel Prize in Chemistry "for his fundamental studies of the biochemistry of nucleic acids, with particular regard to recombinant-DNA." More about Biochemical Method for Inserting New Genetic Information into DNA of Simian Virus 40

FIRST EDITION OFFPRINT, PRESENTATION COPY, of Bohr's first published scientific paper, written while he was a 20-year-old student at Copenhagen University. Inscribed by Bohr in Danish on front wrapper to Poul Heegaard, mathematician and professor at Copenhagen University. In original wrappers. More about Determination of the Surface-Tension of Water by the Method of Jet Vibration

FIRST EDITION IN SCARCE ORIGINAL WRAPPERS OF CLAUSIUS’ INTRODUCTION OF THE TERM ‘ENTROPY’ AND THE CULMINATION OF HIS WORK ON THE SECOND LAW OF THERMODYNAMICS; PRECEDES THE PUBLICATION IN ANNALEN DER PHYSIK. More about Ueber verschiedene für die Anwendung bequeme Formen der Hauptgleichungen der mechanischen...

FOUR AUTOGRAPH LETTERS with good content by Humphry Davy to his close friend and patron Davies Gilbert. More about Autograph Letters Signed

FIRST EDITION, FIRST STATE of Grove’s proposal of the conservation of energy: “the earliest general account of the principle." More about On the correlation of physical forces: Being the substance of a course of Lectures delivered in...

FIRST EDITION IN ORIGINAL WRAPPERS of Joule's most developed and complete account of the results of his famous "paddle-wheel" experiments; includes his most accurate determination of what would later be known as the "Joule." More about On the Mechanical Equivalent of Heat

FIRST PRINTING IN RARE ORIGINAL WRAPPERS OF ONE OF MAXWELL’S MAJOR PAPERS: THE MOST DEVELOPED AND COMPLETE EXPLORATION OF HIS THEORY OF GASES. More about On the Dynamical Theory of Gases

FIRST EDITION IN ORIGINAL WRAPPERS of both parts of Moseley's groundbreaking work providing the scientific basis for our understanding of atomic numbers and the ordering of the periodic table. PMM 407. More about The High-Frequency Spectra of the Elements

PRESENTATION AND ASSOCIATION COPY OF THE RARE AUTHOR’S OFFPRINT OF PASTEUR’S FAMOUS LECTURE DISCREDITING THE THEORY OF SPONTANEOUS GENERATION, WITH HIS AUTOGRAPH NOTES TO FELLOW SCIENTIST JOHN TYNDALL. More about Sur les corpuscules organisés qui existent dans l’atmosphère: Examen de la doctrine des...

FIRST EDITIONS, OFFPRINT ISSUES (INCLUDING ONE SIGNED COPY AND ONE SIGNED PRESENTATION COPY), OF MILESTONE PAPERS ON THE DETERMINATION OF THE STRUCTURE AND FUNCTION OF PROTEINS, WORK FOR WHICH PAULING, KENDREW, AND PERUTZ ALL WON NOBEL PRIZES. More about PROTEIN STRUCTURE]. The Structure of Proteins: Two Hydrogen-Bonded Helical Configurations of the...

IMPORTANT PAPERS – IN BOTH OFFPRINT AND JOURNAL FORMATS – RELATED TO VON NEUMANN’S PROOF OF THE ERGODIC THEOREM, A FUNDAMENTAL CONTRIBUTION TO OUR UNDERSTANDING OF THE FOUNDATIONS OF STATISTICAL MECHANICS AND THE ORIGINS OF THE SECOND LAW OF THERMODYNAMICS. More about Proof of the Ergodic Theorem. WITH: Proof of the Quasi-Ergodic Hypothesis. WITH: Physical...